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ra1l [238]
2 years ago
6

What is the new amount given the original amount and the percent of change?

Mathematics
1 answer:
MakcuM [25]2 years ago
3 0
$14.40 I think. I could be wrong
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I NEED HELP PLEASE ASAP!!! :)
erik [133]

Answer:

  r = 6.4/(1+sin(θ))

Step-by-step explanation:

As the attachment shows, for the given directrix and eccentricity, the equation is ...

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7 0
3 years ago
A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters o
TiliK225 [7]
Lets call x the amount of 18% solution and y the amount of 40% solution, and write as equations the info of the problem:
18x + 40y = 10(20)
x + y = 10
lets multiply the second equation by -18 and add to the first:
 18x + 40y = 200
-18x -<span> 18y = -180
</span>----------------------
0 + 22y = 20
y = 20/22 = 10/11
and substitute in the original equation:
x <span>+ y = 10
</span>x = 10 - y
x = 10 - 10/11
x = 110/11 - 10/11
x = 100/11
so they have to use 100/11 liters of 18% solution and 10/11 liters of 40% solution
3 0
3 years ago
The price p of a pizza is $6.45 plus $0.90 for each of the t toppings on the pizza
Julli [10]
Wats the question?????????

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Please answer this question!! Only if you know the answer!! 23 points and brainliest!
prohojiy [21]

Answer:

There are three marbles and one of them is a white marble.

Step-by-step explanation:

You have a one and three chance because there is one white marble out of three marbles.

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Charlie has the utility function u(xa, xb) =xaxb.his indifference curve passing through 32 applesand 8 bananas will also pass th
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